AMANA ROUNDOVER ROUTER BIT 49498 Carbide Tipped Radius 1/8 Diameter 3/4 Cutting Length 3/8 Shank Diameter 1/2 Overall Length 2-5/16 Availability: Usually ships the next business day Amana 49498 Roundover Router Bit 1/8 Radius, 1/2 Shank amrorobit491